From 'Cole Cappuccino' to 'Katona Karrot'... Pippa Middleton's 'Royal Mocha' leads the celebrity tan-tone scale as the most desirable shade in Britain

Choosing the right shade of fake tan can be a tough decision, but it has been revealed that Pippa Middleton is influencing British women to opt for a ‘Royal Mocha’ tone this summer.

Miss Middleton's glow has been named the most desirable skin tone by a new study which discovered the most and least desirable celebrity tans of 2011.

And as Pippa’s complexion came out on top, Kerry Katona’s ‘Karrot’ look left her at the bottom of the heap of the celebrity tan-tone chart.